翅片靠机械配合、粘结、软焊、硬焊、焊接或挤压附着在板上。
Fins are attached to the plates by a mechanical fit, gluing, soldering, brazing, welding, or extrusion.
铣削、刨平、挤压和冲击操作。在中等磨损条件下具有高的韧性。很适合硬焊。
Milling, planing, impact and percussion. High toughness for medium wear resistance. Well suitable for brazing.
与传统粉末冶金工艺相比，采用烧结硬焊技术后，皮带滑座的制造成本降低30%，而皮带滑座的结合力仅减小约10%。
Contrast with conventional PM process, this technology can make the cost for manufacturing strap skate go down 30% while binding force only decrease about 10%.
在螺旋焊管生产过程中，钢带产生人为硬弯的主要原因是对头焊工序中钢带不能对齐所致。
During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connection weld process.
在ERW焊管机组生产中，带钢的硬弯大小直接影响焊管机组的正常运行及焊接钢管的质量。
During the production of ERW steel pipe mill, the size of steel of strip hard bent influences the running of pipe welder and the quality of the pipe.
自制抗磨铸钢硬度高、焊后淬硬倾向严重。
The homemade wear-resistant cast steel has high hardness and high tendency of hardenability after welding.
介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因，对钢管质量的危害及防止措施。
The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.
研究结果表明：在不预热条件下，用KD286焊补钢轨，焊缝组织为柱状奥氏体组织，熔合区和过热区不可避免地产生脆硬的马氏体组织。
The results show that:under the no preheating condition, the microstructure of weld metal is columnar austenitic, and brittle martensite exists in the fusion zone and over-heated zone unavoidably.
研究结果表明：在不预热条件下，用KD286焊补钢轨，焊缝组织为柱状奥氏体组织，熔合区和过热区不可避免地产生脆硬的马氏体组织。
The results show that:under the no preheating condition, the microstructure of weld metal is columnar austenitic, and brittle martensite exists in the fusion zone and over-heated zone unavoidably.
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